Application Of Co2 Laser Photoacoustic Spectroscopy For Ethylene (C2 H4) Gas Detection In Soil During The Rainy Season

Annawati, Bergitta Dwi and Mitrayana, . (2019) Application Of Co2 Laser Photoacoustic Spectroscopy For Ethylene (C2 H4) Gas Detection In Soil During The Rainy Season. Application Of Co2 Laser Photoacoustic Spectroscopy For Ethylene (C2 H4) Gas Detection In Soil During The Rainy Season, - (45). pp. 23-36. ISSN ISSN: 0852-078X; ISSN: 2622-7959, Jurnal Nasional Terakreditasi Peringkat 4

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Abstract

The photoacoustic spectrometer technique has become the standard in measuring trace samples with the advantages of high sensitivity (up to ppt order), on-line, real time detection and range of operations that are close to 108order. This article reports an experiment usingCO2 laser photoacoustic spectroscopy for ethylene (C2H4) gas detection in the soil during the rainy season based on variations in depth and sampling location using a CO2 laser extracted spectrometer. The lowest limit of detection value (LOD) was obtained at (416 ± 104) ppt. The concentration of ethylene gas in the soil during the rainy season based on the variations in soil depth were (0.18 ± 0.04) ppm for a depth of 0 cm (ground level), (0.17 ± 0.04) ppm for a depth of 15 cm from the ground, and (0.15 ± 0.03) ppm for the depth of 30 cm from the ground. Based on the variations of location of soil, the obtained values were (0.19 ± 0.04) ppm, (0.18 ± 0.04) ppm, and (0.15 ± 0.03) ppm respectively for locations in the North, Center and South were taken around the Biology forest of Gadjah Mada University, which is situated in the western part of the Faculty of Biology and northern section of the Faculty of Mathematics and Natural Sciences. It was concluded that the concentration of ethylene gas in the soil during the rainy season was not significantly affected by depth and location factors.

Item Type: Article
Additional Information: Jurnal Nasional Terakreditasi Peringkat 4
Uncontrolled Keywords: Photoacoustic spectrometer, ethylene, rainy season
Subjects: Physic Education
Divisions: Journal Publication
Depositing User: F.X. Hadi
Date Deposited: 24 Jun 2020 02:38
Last Modified: 25 Sep 2020 11:53
URI: http://repository.ukwms.ac.id/id/eprint/21879

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